Section 3 - MAINTENANCE

3.3SERVICE EVERY 25 OPERATING HOURS 3.3.1. ENGINE

5.Air Filter

c. Reinstall air cleaner cover. Insert tabs located on the engine cover into corresponding slots in air cleaner cover. IMPORTANT: The yellow tabs must be completely inserted into air cleaner cover or the compartment will not be completely sealed to prevent debris from entering into the carburetor.

a. 18 HP Engines: Change air filter. Pull up and rotate the air cleaner latch to remove cleaner cover. See Figure 3.4.

IMPORTANT: When cover is removed, you are viewing the carburetor side of the air filter, which will appear clean. Remove filter and pre-cleaner for inspection.

AIR CLEANER

LATCH

c.Reinstall air cleaner cover. Insert tabs located at the bottom of the cover into corresponding slots in engine cover. Position cover and engage latch over cover and rotate and push down to lock.

3.3.2.MOWER COMPONENTS

1. Mower Drive Belt

Check belt for proper tension. No adjustment required. Replace belt as needed.

2. Mower Blade

Check blade for sharpness, wear, damage, and torque. See the section on Mower Blade Replacement/Repair.

3. Mower Deck Levelness

Check mower deck for proper levelness. Adjust as required. See section on Mower Deck Adjustment - Levelness.

4.Cleaning Mower Deck

a.Close vent on fuel cap and make sure cap is tight.

b.Remove key from ignition switch. Engage parking brake.

c.Remove spark plug wire(s) and secure away from spark plug(s).

d.Raise cutting deck to highest setting. With a floor jack, raise front of machine to gain easier access to under deck. Block machine securely.

 

AIR CLEANER

FIGURE 3.4

COVER

b.Refer to engine owner's manual for cleaning and service instructions. Remove and clean engine air pre-cleaner. Remove and replace engine air cleaner. See Figure 3.5. Install pre-cleaner and air cleaner per engine owner’s manual.

AIR PRE-

CLEANER

AIR CLEANER

FIGURE 3.5

WARNING

Lifting or letting down the machine onto blocks manually can cause severe injury. Always use floor jack when raising machine.

e.Clean underside of mower deck, removing all accumulation of grass clippings and debris.

f.Lower SCRAMBLER to ground. Clean top of deck, removing all grass clippings and debris.

3.3.3.LUBRICATION 1. Mower Blade Spindle

a. Lubricate spindle bearings with three shots of general purpose grease from grease gun. See Figure 3.6.

TOP VIEW OF 48” DECK

LUBRICATE

SPINDLE

BEARINGS

FIGURE 3.6

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Snapper SZT18426BVE, SZT20486BVE Service Every 25 Operating Hours 3.3.1. Engine, Mower Components
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SZT18426BVE, SZT20486BVE specifications

The Snapper SZT18426BVE and SZT20486BVE are advanced lawn care machines designed for homeowners and professionals who demand high performance and reliability in their lawn maintenance tasks. Both models exhibit a combination of power, versatility, and user-friendly features that make them stand out in the market.

The Snapper SZT18426BVE is equipped with an 18 horsepower engine, making it a robust performer for various lawn sizes and types. Its cutting deck is 26 inches wide, which allows for efficient mowing even in tighter spaces. The SZT20486BVE takes it up a notch with a more powerful 20 horsepower engine and a wider 48-inch cutting deck, enabling it to cover more ground quickly, making it ideal for larger properties.

One notable feature of both models is the Zero-Turn technology, which allows for unmatched maneuverability. This function enables the operator to turn on a dime, facilitating access to corners and obstacles with ease. This is particularly beneficial for mowing around trees, flower beds, and other landscaping features. The comfort of the operator is also a priority; both models come with fully adjustable high-back seats that provide ample support during extended use.

Equipped with advanced cutting technologies, these Snapper models feature a patented mowing system that ensures a precise cut while maintaining the health of the grass. The adjustable cutting height offers versatility to achieve the desired grass length, accommodating various lawn conditions and preferences.

Moreover, both the SZT18426BVE and SZT20486BVE are designed with durability in mind. Their rugged frames and heavy-duty components ensure long-lasting performance, making them investments that stand the test of time. Additionally, maintenance is straightforward with easily accessible parts and a simple design that allows users to keep their machines in peak condition with minimal effort.

Safety features, such as the operator presence control, ensure that the mower will stop when the operator is not in a seated position, providing peace of mind during use. Both models also come with an easy-to-use dashboard that allows for quick adjustments on the go, including speed control and blade engagement.

Overall, the Snapper SZT18426BVE and SZT20486BVE are excellent choices for those seeking efficient, reliable, and user-friendly zero-turn lawn mowers that combine power and innovative features for a superior mowing experience.
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